[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/832641
Title:
cdc-acm modems do not work properly using 7E1 byte format
Status in “linux” package in Ubuntu:
Expired
Bug description:
I have tried two apps (minicom and smsclient) with to ACM modems, and
received 7E1 data does not have the parity bit stripped. I can check with STTY
and it shows parenb cs7 -parodd when the port is being used in 7E1 format, but
the received data has the parity bit passed through to the app.
The ACM modems work fine in 8N1 mode.
An ordinary RS232 modem on ttyS0 works fine with both apps using 7E1 format,
and the parity bit is stripped from receive data (ie only 7 bits passed to the
app).
This may be a long standing problem, possibly in the CDC-ACM driver.
Using oneric, server.
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AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 1.23-0ubuntu4
Architecture: i386
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path',
'/dev/snd/controlC0', '/dev/snd/hwC0D2', '/dev/snd/pcmC0D0c',
'/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D1c', '/dev/snd/pcmC0D1p',
'/dev/snd/pcmC0D2c', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info: Error: [Errno 2] No such file or directory
Card0.Amixer.values: Error: [Errno 2] No such file or directory
DistroRelease: Ubuntu 11.10
HibernationDevice: RESUME=/dev/sda3
IwConfig:
lo no wireless extensions.
eth0 no wireless extensions.
MachineType: Gigabyte Technology Co., Ltd. G41M-ES2L
Package: linux (not installed)
ProcEnviron:
LANG=en_AU.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: root=UUID=f7d3ec47-2e5d-4b37-add9-ef749d80fe10 ro quiet
splash
ProcVersionSignature: Ubuntu 3.0.0-14.23-generic-pae 3.0.9
RelatedPackageVersions:
linux-restricted-modules-3.0.0-14-generic-pae N/A
linux-backports-modules-3.0.0-14-generic-pae N/A
linux-firmware 1.60
RfKill: Error: [Errno 2] No such file or directory
Tags: oneiric
Uname: Linux 3.0.0-14-generic-pae i686
UpgradeStatus: Upgraded to oneiric on 2011-08-21 (132 days ago)
UserGroups:
WifiSyslog:
Jan 1 08:00:25 u01 kernel: [501255.880029] usb 2-2: new full speed USB
device number 2 using uhci_hcd
Jan 1 08:00:27 u01 kernel: [501258.250882] cdc_acm 2-2:2.0: ttyACM0: USB
ACM device
Jan 1 08:00:27 u01 kernel: [501258.253097] usbcore: registered new
interface driver cdc_acm
Jan 1 08:00:27 u01 kernel: [501258.253101] cdc_acm: USB Abstract Control
Model driver for USB modems and ISDN adapters
dmi.bios.date: 11/04/2009
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F6
dmi.board.name: G41M-ES2L
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias:
dmi:bvnAwardSoftwareInternational,Inc.:bvrF6:bd11/04/2009:svnGigabyteTechnologyCo.,Ltd.:pnG41M-ES2L:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnG41M-ES2L:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: G41M-ES2L
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
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